FlightRecord

Idaho Falls Regional Airport (IDA): Delays & On-Time Performance

Data through May 2026

Idaho Falls Regional Airport (IDA) runs noticeably smoother than most US airports: 84% of its ~12 daily departures leave on time, 6 points above the national average, with an average departure delay of just 19 minutes. 4 airlines fly from Idaho Falls, ID to 12 destinations.

Departures on-time
84%
left <15 min late
Avg dep delay
19 min
Arrivals on-time
81%
Cancelled
0.7%
Destinations
12
nonstop
Airlines
4

Monthly on-time trend

Monthly departure on-time percentage at IDA50%75%100%June 2024: 86% on-time (327 flights)86Jun 2024July 2024: 83% on-time (322 flights)83August 2024: 86% on-time (312 flights)86September 2024: 91% on-time (301 flights)91Sep 2024October 2024: 84% on-time (307 flights)84November 2024: 87% on-time (303 flights)87December 2024: 84% on-time (328 flights)84Dec 2024January 2025: 77% on-time (316 flights)77February 2025: 79% on-time (282 flights)79March 2025: 89% on-time (325 flights)89Mar 2025April 2025: 84% on-time (307 flights)84May 2025: 85% on-time (359 flights)85June 2025: 83% on-time (392 flights)83Jun 2025July 2025: 78% on-time (429 flights)78August 2025: 81% on-time (451 flights)81September 2025: 84% on-time (387 flights)84Sep 2025October 2025: 83% on-time (378 flights)83November 2025: 91% on-time (393 flights)91December 2025: 80% on-time (400 flights)80Dec 2025January 2026: 85% on-time (327 flights)85February 2026: 87% on-time (275 flights)87March 2026: 80% on-time (341 flights)80Mar 2026April 2026: 86% on-time (340 flights)86May 2026: 83% on-time (417 flights)83

Best time of day to depart from IDA

On-time percentage by scheduled departure hour at IDA5 a.m.: 91% on-time (476 flights)56 a.m.: 93% on-time (1,177 flights)67 a.m.: 88% on-time (865 flights)710 a.m.: 87% on-time (701 flights)1011 a.m.: 95% on-time (150 flights)1112 p.m.: 74% on-time (330 flights)121 p.m.: 82% on-time (1,169 flights)132 p.m.: 79% on-time (889 flights)143 p.m.: 89% on-time (235 flights)154 p.m.: 66% on-time (450 flights)165 p.m.: 75% on-time (606 flights)176 p.m.: 84% on-time (715 flights)187 p.m.: 86% on-time (189 flights)1910 p.m.: 67% on-time (122 flights)22scheduled departure hour

Busiest routes from IDA

RouteFlights/12moOn-timeAvg delay
IDA → DEN1,75280%18 min
IDA → SLC1,17990%11 min
IDA → DFW52976%21 min
IDA → SEA24482%10 min
IDA → AZA22378%25 min
IDA → PHX20087%20 min
IDA → LAS11370%71 min
IDA → SNA10474%41 min

Most reliable routes

  1. IDA → SLC90%
  2. IDA → PHX87%
  3. IDA → SEA82%
  4. IDA → DEN80%
  5. IDA → AZA78%

Most delay-prone routes

  1. IDA → ORD56%
  2. IDA → LAS70%
  3. IDA → SNA74%
  4. IDA → DFW76%
  5. IDA → AZA78%

Airline performance at IDA

AirlineOn-time departuresAvg delayFlights
Delta Air Lines90%19 min564
SkyWest Airlines85%16 min6,527
United Airlines76%17 min154
Allegiant Air76%40 min1,074

Frequently asked questions

How often are flights delayed at IDA?
16% of departures from Idaho Falls Regional Airport left 15+ minutes late between 2024-06 and 2026-05, with an average departure delay of 19 minutes. The national on-time average over the same period was 78%.
What is the best time of day to depart from IDA?
Flights scheduled around 11 a.m. depart on time 95% of the time at IDA, versus 66% around 4 p.m.. Booking before noon is the usual rule of thumb here.
What is the worst month for delays at IDA?
In this dataset, January 2025 was the weakest month at IDA, with 77% of departures on time.
How often are flights cancelled at IDA?
0.7% of scheduled departures from IDA were cancelled in this period, compared with a national rate of 1.6%.

Popular route pages from this airport

Based on 8,319 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.